Development of New Method for Antioxidant Capacity with ORP-pH System

  • Lee Se Yeong (Department of Biotechnology, Yosu National University) ;
  • Kim Eun Ok (Department of Biotechnology, Yosu National University) ;
  • Seo Hyo Jin (Department of Biotechnology, Yosu National University) ;
  • Kim Min Yong (Department of Refrigeration Engineering, Yosu National University) ;
  • Kim Jong Deog (Department of Biotechnology, Yosu National University)
  • Published : 2004.11.01

Abstract

Many methods are used in the measurement of antioxidative capacity. These meth­ods require very complex procedures and pretreatment. Our suggestions for research will be simple and accurate methods for obtaining many kinds of samples, especially colored samples such as natural product extracts for measuring antioxidative capacities. For oxidation-reduction potential (ORP) system value, we examined the relationships between the ORP-pH system and the ORAC, FRAP methods. To evaluate ORP System value, we calculated the absolute slope/intercept from the linear regression of each standard material at different concentrations and ORP-pH system, and compared the correlations with ORAC and FRAP values.

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